Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

18994985 (number)

18994985 is an odd 8-digits composite number following 18994984 and preceding 18994986. In scientific notation, it is written as 1.8994985 × 10^7. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 14981680 positive integers (up to 18994985) that are relatively prime to 18994985.

Interesting facts

18994985 has 8 divisors, whose sum is 23115456
The reverse of 18994985 is 58949981
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8

Name

Name	eighteen million nine hundred ninety-four thousand nine hundred eighty-five

Notation

Scientific notation	1.8994985 × 10^7
Engineering notation	1.8994985 × 10^6

Prime Factorization of 18994985

Prime Factorization 5 × 71 × 53507

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18994985	Product of the distinct prime numbers

The prime factorization of 18994985 is 5 × 71 × 53507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 4, 60, 61, 948, 394, 461, 2220, 95588, 20246, 799185, 361867, 6889923, 7350305, 40432060, 84549004, 373465804, 884162735, 570734490, 4651833907

Basic calculations (n = 18994985)

Multiplication

n×y

n×2	37989970
n×3	56984955
n×4	75979940
n×5	94974925

Division

n÷y

n÷2	9497492.5
n÷3	6331661.6666667
n÷3	4748746.25
n÷5	3798997

Exponentiation

n^y

n²	360809455150225
n³	6.8535701884367E+21
n⁴	1.301834629258E+29
n⁵	2.4728329255237E+36

Nth Root

^y√n

²√n	4358.3236456234
³√n	266.8166855532
⁴√n	66.017601028994
⁵√n	28.558000113555

Divisors of 18994985

1, 5, 71, 355, 53507, 267535, 3798997, 18994985

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18994984	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18994985 can be divided by 8 positive divisors. The sum of these divisors (counting 18994985) is 1, the average is 0.125.

Base conversion 18994985

Base	System	Value
2	Binary	1001000011101011100101001
3	Ternary	1022202001012222
4	Quaternary	1020131130221
5	Quinary	14330314420
6	Senary	1515043425
8	Octal	110353451
10	Decimal	18994985
12	Duodecimal	6440575
16	Hexadecimal	121d729
20	Vigesimal	5ie795
36	Base36	bb4mh

Cryptographic Hash Functions

md5	970fd0389e8bda1070df5ab93630bf04
sha1	6e814eccf2d720a421e7af218036a87a5f1e645b
sha256	0c49c844c81924396994bef3bdf02fe94ec417b215de3e7db1e307cf852a6a1b
sha512	934edd9aec4567086035b543dc6795415e0dc696c72182ddee9a6bf81c9d9c91049bf0f73e7c5f5d8dcfe20d73028bb703fe08242eda19a288ad580433866bfe
ripemd-160	23695d6ddcb666ea06cc89a6dab1e2618a85c089

18994985 as geometric shapes

Circle

Radius = n

Diameter	37989970
Circumference	119349010.6621
Area	1.1335163336457E+15

Sphere

Radius = n

Volume	2.870816767314E+22
Surface area	4.5340653345827E+15
Circumference	119349010.6621

Square

Length = n

Perimeter	75979940
Area	360809455150225
Diagonal	26862965.404074

Cube

Length = n

Surface area	2164856730901350
Volume	6.8535701884367E+21
Space diagonal	32900279.109009

Equilateral Triangle

Length = n

Perimeter	56984955
Area	1.5623507704286E+14
Altitude	16450139.554504

Triangular Pyramid

Length = n

Surface area	1.5623507704286E+14
Volume	8.0770099259693E+20
Height	8954321.8013578